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Standard Ignition TS-378 Engine Cooling Fan Switch
Reliable Engine Cooling Fan Switch for Chevrolet, Geo, and Toyota
The Standard Ignition TS-378 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. Compatible with select Chevrolet, Geo, and Toyota models, this switch ensures efficient engine cooling and helps prevent overheating.
- Attachment Method: Plug in for straightforward installation
- Connector: Female, square shape with one connector
- Terminal: Single male blade terminal for secure electrical connection
- Thread Size: 16mm x 1.50 for precise fitment
- Voltage: 12 volts, suitable for standard automotive electrical systems
- Housing Material: Durable metal construction with brass finish
- Switch Actuation Style: Toggle, opens at idle to regulate fan operation
- Compact dimensions: 0.51 inches (12.954 mm) width
Detailed Product Description
The Standard Ignition TS-378 Engine Cooling Fan Switch features a robust metal housing with a brass finish, providing durability and corrosion resistance. Its plug-in attachment method and square female connector simplify installation and ensure a reliable electrical connection. Designed to open at idle, this toggle-style switch helps regulate the engine cooling fan, preventing unnecessary fan operation and reducing wear. The single male blade terminal and 16mm x 1.50 thread size make it compatible with specific Chevrolet, Geo, and Toyota vehicles, including the Celica, Corolla, Paseo, Prizm, and Tercel models.
Common Applications and Issues Addressed
- Prevents engine overheating by activating the cooling fan at the correct temperature
- Resolves intermittent fan operation caused by faulty switches
- Eliminates electrical connection issues with a secure plug-in design
- Helps maintain consistent engine temperature for improved performance
- Replaces worn or damaged cooling fan switches in compatible vehicles
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns
- Verify thread size (16mm x 1.50) matches the vehicle’s mounting point
- Disconnect the battery to prevent electrical shorts during installation
- Use appropriate tools to avoid damaging the switch or connector
- Check for proper fan operation after installation to confirm correct switch function
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-378 Engine Cooling Fan Switch undergoes rigorous quality control testing to provide consistent operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term use.
| Brand | Standard Ignition |
| Part Number | TS-378 |
| Color | White |
| Connector Gender | Female |
| Finish | Brass |
| Terminal Type | Blade |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2000 | Chevrolet | Prizm | N/A | |||
| 1999 | Chevrolet | Prizm | N/A | |||
| 1999 | Toyota | Corolla | N/A | |||
| 1999 | Toyota | Paseo | N/A | |||
| 1999 | Toyota | Tercel | N/A | |||
| 1998 | Chevrolet | Prizm | N/A | |||
| 1998 | Toyota | Corolla | N/A | |||
| 1998 | Toyota | Paseo | N/A | |||
| 1998 | Toyota | Tercel | N/A | |||
| 1997 | Geo | Prizm | N/A | |||
| 1997 | Toyota | Celica | 1.8L | L4 | N/A | |
| 1997 | Toyota | Corolla | N/A | |||
| 1997 | Toyota | Paseo | N/A | |||
| 1997 | Toyota | Tercel | N/A | |||
| 1996 | Geo | Prizm | N/A | |||
| 1996 | Toyota | Celica | 1.8L | L4 | N/A | |
| 1996 | Toyota | Corolla | N/A | |||
| 1996 | Toyota | Paseo | N/A | 1 Term. | ||
| 1996 | Toyota | Tercel | N/A | |||
| 1995 | Geo | Prizm | N/A | |||
| 1995 | Toyota | Celica | 1.8L | L4 | N/A | On Water Inlet |
| 1995 | Toyota | Corolla | N/A | |||
| 1995 | Toyota | Paseo | N/A | 1 Term. | ||
| 1995 | Toyota | Tercel | N/A | |||
| 1994 | Geo | Prizm | N/A | |||
| 1994 | Toyota | Celica | 1.8L | L4 | N/A | On Water Inlet |
| 1994 | Toyota | Corolla | N/A | |||
| 1994 | Toyota | Paseo | N/A | 1 Term. | ||
| 1994 | Toyota | Tercel | N/A | |||
| 1993 | Geo | Prizm | N/A | |||
| 1993 | Toyota | Celica | 1.6L | L4 | N/A | On Water Inlet |
| 1993 | Toyota | Paseo | N/A | 1 Term. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.